readtty
char *readtty(char *, char *);
s = readtty("To: ", detract(hp->h_to, 0));
s = readtty("Subject: ", hp->h_subject);
s = readtty("Cc: ", detract(hp->h_cc, 0));
s = readtty("Bcc: ", detract(hp->h_bcc, 0));
return(readtty(pr, cp));